Home / 76,840.47-106,031.25-46,633.14

Finding the Fourth Proportional to 76,840.47, 106,031.25 and 46,633.14

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Solution

The fourth proportional to 76,840.47, 106,031.25 and 46,633.14 is: 64,348.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,840.47 : 106,031.25 = 46,633.14 : x
  2. Step 2: Convert to fraction form
    76,840.47/106,031.25 = 46,633.14/x
  3. Step 3: Cross multiply
    76,840.47x = 106,031.25 × 46,633.14
  4. Step 4: Simplify right side
    76,840.47x = 4,944,570,125.63
  5. Step 5: Solve for x
    x = 4,944,570,125.63/76,840.47
  6. Step 6: Final answer
    x = 64,348.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.